In a move that will certainly please perfectionists, Instagram is rolling out a draft feature—meaning users will be able to edit their photos and save them for posting later. It sounds like a very pragmatic and easy-to-use tool, "to save a draft, simply hit the back button mid-post and the app will ask whether or not you want to save the photo to your drafts." Then all those saved photos will appear in your library—at the very top so they're quick to find. Read more at Mashable.